It belongs to the category "Teenage Mutinous Ninja Turtles". Some say Mutinous-like creatures were direct results of Chernobyl, these turtles however, are unrelated.
The young gangster was very mutinous. (rebellious)
rebellious
Subordinates who rebel against properly constituted authority are said to be mutinous.
A mutiny has taken place off the coast of South America.
Mutinous men on board killed the captain and appointed one of their own to lead the ship.